Finding the Fourth Proportional to 76,796.07, 105,965.70 and 42,797.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,796.07 : 105,965.70 = 42,797.10 : x
2. Step 2: Convert to fraction form
   76,796.07/105,965.70 = 42,797.10/x
3. Step 3: Cross multiply
   76,796.07x = 105,965.70 × 42,797.10
4. Step 4: Simplify right side
   76,796.07x = 4,535,024,659.47
5. Step 5: Solve for x
   x = 4,535,024,659.47/76,796.07
6. Step 6: Final answer
   x = 59,052.82